You have to solve current level before advance
[vexed] / blocks /
drwxr-xr-x   ..
-rw-r--r-- 537 blocks.ini
drwxr-xr-x - flags
drwxr-xr-x - greek
drwxr-xr-x - jewels
drwxr-xr-x - original-sized
drwxr-xr-x - original
drwxr-xr-x - pills
drwxr-xr-x - symbols
drwxr-xr-x - wall